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Respiration isn't breathing in and out. It's the process of releasing energy from glucose, which happens constantly in every cell.· Aerobic respiration needs plenty of oxygen. Glucose + Oxygen Carbon Dioxide + Water (+ energy released)· Energy released from respiration is used to make ATP. It's broken down to ADP when energy is released. ATP is synthesised from ADP using energy from respiration.…read more

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You respire more when you exercise. More ATP is used to contract you're muscles so you need more energy, so respiration increases. Breathing rate increased to get more oxygen into the blood. Heart rate increases to get glucose and oxygenated blood around the body to your muscle quicker, and remove CO quickly at the same time.· Anaerobic respiration doesn't use oxygen at all. Sometimes you can't supply your body with all the oxygen that it needs. So in anaerobic respiration glucose lactic acid (+ energy released) and you produce energy but lactic acid builds up in your muscles. You need oxygen to clear up this acid, so you are in an oxygen debt. So you keep breathing for a while after you stop…read more

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Blood is a fluid made of cells, platelets and plasma. Red blood cells ­ Transports oxygen from lungs to all the cells in the body. Plasma ­ Liquid that carries everything. White blood cells ­ Fight infection from microorganisms. Platelets ­ Small cell fragments that help the blood to clot.…read more